3. Mesosphere –The mesosphere is another rigid layer in the earth and it is roughly 2,200km in thickness.

How thick is the mesosphere atmosphere?

The mesosphere lies between the thermosphere and the stratosphere. “Meso” means middle, and this is the highest layer of the atmosphere in which the gases are all mixed up rather than being layered by their mass. The mesosphere is 22 miles (35 kilometers) thick.

Is the mesosphere the thickest layer?

The thickest layer in the atmosphere is the thermosphere starting at about 80 km going upwards. ... Actually, the thermosphere has 2 layers of its own called the ionosphere and the exosphere.